97331197 has 2 divisors, whose sum is σ = 97331198. Its totient is φ = 97331196.

The previous prime is 97331177. The next prime is 97331203. The reversal of 97331197 is 79113379.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91126116 + 6205081 = 9546^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 97331197 - 2¹⁹ = 96806909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97331177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48665598 + 48665599.

It is an arithmetic number, because the mean of its divisors is an integer number (48665599).

Almost surely, 2^97331197 is an apocalyptic number.

It is an amenable number.

97331197 is a deficient number, since it is larger than the sum of its proper divisors (1).

97331197 is an equidigital number, since it uses as much as digits as its factorization.

97331197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35721, while the sum is 40.

The square root of 97331197 is about 9865.6574540169. The cubic root of 97331197 is about 459.9924337130.

The spelling of 97331197 in words is "ninety-seven million, three hundred thirty-one thousand, one hundred ninety-seven".